pic microcontroller discussion list wrote:
>
> I started off with a "disturbance tester", built from a 12V flyback
> supply for a CRT, and three 0.0033uF 30kV caps in parallel. (4.5J
> peak energy) The whole thing is built on a sheet of PCB material,
> with adjustable discharge points.

impressive, but I doubt I'll have the time to build one. But it
would be a fun weekend (or two) project. So you have a constant
voltage but control the discharge energy by changing the distance
to the subject?

> I also built a differential gaussmeter out of office supplies once,
> but that's another story.

Hehe, that's one story I'd love to hear. what did you use to sense
the magnetic field?

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